Evaluate the integral.
A. -2 ln 2
B. 2 ln 2
C. 4 ln 2
D. 2 ln 3
Answer: B
Mathematics
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Integrate the function f over the given region.f(x, y) = y2 ex4 over the triangular region in the first quadrant bounded by the lines 
and 
A. 
e
B. 27(e + 1)
C. 9(e - 1)
D. 
(e - 1)
Mathematics
Solve the problem.199! + 200! =
A. 2 × 200! - 200 B. 201 × 199! C. 399! D. 2 × 199! + 200 E. none of these
Mathematics
The rectangular coordinates of a point are given. Express the point in polar coordinates with 
and 
(
, -
)
A. (
, 315°)
B. (
, 135°)
C. (
, 225°)
D. (6, 225°)
Mathematics
For the given functions f and g, find the requested function and state its domain.f(x) = 4 - 3x; g(x) = -7x + 3Find f + g.
A. (f + g)(x) = 4x + 7; 
or 
B. (f + g)(x) = -7x + 4; 
or 
C. (f + g)(x) = -3x; (-?, ?)
D. (f + g)(x) = -10x + 7; (-?, ?)
Mathematics